|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Testudines - Emydidae
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|E. Vlachos 2018||Glyptemys valentinensis can be diagnosed as a member of Pan-Emydidae based on the full list of characters listed for that clade above and as a member of Glyptemys based on the presence of a bell-shaped entoplastron. Glyptemys valentinensis can be differentiated from Glyptemys insculpta by smaller size, a more flattened shell, anteriorly-directed carapace striations, lack of pyramidal carapace sculpturing, a less flared and unserrated posterior carapacial margin, a flat cervical scute, a V-shaped groove on the visceral side of the nuchal, and a wide vertebral I that contacts marginal II.|